.container {
  padding: 24px;
  background-color: #f5f7fa;
  min-height: 100vh;
}

.tableCard {
  background: linear-gradient(145deg, #ffffff, #f5f7fa);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.tableCard:hover {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.tableCard :global(.ant-card-head) {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 12px 12px 0 0;
}

.tableCard :global(.ant-card-body) {
  padding: 24px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.headerLeft {
  display: flex;
  align-items: center;
}

.title {
  margin: 0 !important;
  color: #1890ff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tableHeader {
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.problemTable {
  border-radius: 8px;
  overflow: hidden;
}

.problemTable :global(.ant-table-thead > tr > th) {
  background-color: #f0f5ff;
  font-weight: 600;
  color: #1890ff;
}

.tableRow {
  transition: all 0.3s;
}

.tableRow:hover {
  background-color: #f0f7ff !important;
}

.difficultyTag {
  min-width: 60px;
  text-align: center;
}

.tagContainer {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  margin: 2px;
  font-size: 12px;
  padding: 0 8px;
  line-height: 20px;
  height: 20px;
  border-radius: 10px;
}

.loadingContainer {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
  background-color: #f5f7fa;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.backButton {
  height: 40px;
  font-size: 16px;
} 